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authorUlrich Drepper <drepper@redhat.com>2000-06-08 06:48:41 +0000
committerUlrich Drepper <drepper@redhat.com>2000-06-08 06:48:41 +0000
commitbb7901065e58c8c05b0d95bad856a3b31eec5bd2 (patch)
tree4b2b420d5519362e729982099df71e1cbf3b4526 /sysdeps
parent104d06900c76cb7211d1b5556fb20292098335a8 (diff)
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Update.
* sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine OPEN_MAX unless user defined it.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/bits/local_lim.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/local_lim.h b/sysdeps/unix/sysv/linux/bits/local_lim.h
index 7d63461137..e9d8182193 100644
--- a/sysdeps/unix/sysv/linux/bits/local_lim.h
+++ b/sysdeps/unix/sysv/linux/bits/local_lim.h
@@ -18,14 +18,19 @@
Boston, MA 02111-1307, USA. */
/* The kernel header pollutes the namespace with the NR_OPEN symbol
- and defines LINK_MAX although filesystems have different maxima.
- Remove this after including the header if necessary. */
+ and defines LINK_MAX although filesystems have different maxima. A
+ similar thing is true for OPEN_MAX: the limit can be changed at
+ runtime and therefore the macro must not be defined. Remove this
+ after including the header if necessary. */
#ifndef NR_OPEN
# define __undef_NR_OPEN
#endif
#ifndef LINK_MAX
# define __undef_LINK_MAX
#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
/* The kernel sources contain a file with all the needed information. */
#include <linux/limits.h>
@@ -40,6 +45,11 @@
# undef LINK_MAX
# undef __undef_LINK_MAX
#endif
+/* Have to remove OPEN_MAX? */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
/* Maximum amount by which a process can descrease its asynchronous I/O
priority level. */